package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*菜品管理
* */
//将类标识为spring mvc的控制器

@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
@RestController
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /*新增菜品
    * */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);

        //清理redis缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);

        dishService.saveWithFlaover(dishDTO);
        return Result.success();
    }

    /*菜品分页查询
     * */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult>page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品查询：{}",dishPageQueryDTO);
       PageResult pageResult= dishService.pageQuery(dishPageQueryDTO);
       return Result.success(pageResult);
    }

    /*菜品批量删除
    * */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    //使用MVC框架@RequestParam注解解析传入的id,省去手动拆分出id
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除：{}",ids);
        dishService.delete(ids);

        //将所有菜品缓存数据中，以dish_开头的key清理掉
        cleanCache("dish_*");
        return Result.success();
    }

    /*根据ID查询菜品
    * */
    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据ID查询菜品：{}",id);
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /*修改菜品
    * */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有菜品缓存数据中，以dish_开头的key清理掉
        cleanCache("dish_*");
        return Result.success();
    }

    /*修改菜品状态
    * */
    @PostMapping("/status/{status}")
    public Result<Dish> updateStatus(@PathVariable Integer status,Long id){
        log.info("菜品起售停售：{}{}",status,id);
        dishService.updateStatus(status,id);

        //将所有菜品缓存数据中，以dish_开头的key清理掉
        cleanCache("dish_*");
        return Result.success();

    }



    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void cleanCache(String pattern) {
        //将所有菜品缓存数据中，以dish_开头的key清理掉
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
